Convert sublime snippets to vscode.

snippets.php

<?php

$directory = $argv[1];
$directory = str_replace(['.', '/', '\\', '_', ' '], '', $directory);

$files = getFiles('./' . $directory . '/');

$output = [];

foreach ($files as $file) {
    $content = getContent($file, $directory);
    $output[$content['description']] = [
        'prefix' => $content['trigger'],
        'body' => $content['snippet'],
        'description' => $content['description'],
    ];
}

saveContent($directory . '.json', $output);

function getContent(string $file, string $directory)
{
    $content = simplexml_load_file('./' . $directory . '/' . $file, 'SimpleXMLElement', LIBXML_NOCDATA);
    $snippet = explode("\n", $content->content);

    array_shift($snippet);
    array_pop($snippet);

    $description = getName($file, $directory);
    $trigger = $content->tabTrigger->__toString();

    return [
        'description' => $description,
        'trigger' => $trigger,
        'snippet' => $snippet,
    ];
}

function getName(string $name, string $directory)
{
    $name = explode('.', $name);
    $name = $name[0];
    $name = preg_replace('/[^\_\-\s\pN\pL]+/u', '', $name);
    $name = trim(preg_replace('/[\_\-\s]+/', ' ', $name), '-');
    $name = $directory . ' ' . trim(str_replace($directory, '', $name));

    return $name;
}

function saveContent($name, $output)
{
    $output = json_encode($output, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);

    if (false !== file_put_contents('./' . $name, $output)) {
        echo "\e[42mDone!\e[0m";
    } else {
        echo "\e[41mError!\e[0m";
    }
}

function getFiles(string $directory)
{
    return array_values(
        array_filter(
            array_map(
                function ($file) {
                    if ($file === '.' || $file === '..') {
                        return false;
                    }

                    return $file;
                },
                scandir($directory)
            )
        )
    );
}

USAGE

php snippets.php [SNIPPETS_DIRECTORY]
e.g. php snippets.php vue

SNIPPETS_DIRECTORY: Assuming that the snippets are categorized in directories (preferably by languages) and snippet directories and the script have the same parent directory.
e.g.
/snippets
|
+--- snippets.php
|
+--- /php
|       ...
+--- /sass
|       ...
+--- /vue
        ...